.fr {
  float: right;
}

.fl {
  float: left;
}

.block {
  display: block;
}
.none {
  display: none;
}
.hidden {
  visibility: hidden;
}

.clearfix {
  &:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0;
  }
}
.vm {
  display: inline-block;
  vertical-align: middle;
}
.vt {
  display: inline-block;
  vertical-align: top;
}

